56647340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 122707200

約数和(自身を除く): 66059860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 331, 398, 430, 662, 796, 860, 995, 1324, 1655, 1990, 3310, 3980, 6620, 8557, 14233, 17114, 28466, 34228, 42785, 56932, 65869, 71165, 85570, 131738, 142330, 171140, 263476, 284660, 329345, 658690, 1317380, 2832367, 5664734, 11329468, 14161835, 28323670, 56647340]

約数ペア:

[(1, 56647340), (2, 28323670), (4, 14161835), (5, 11329468), (10, 5664734), (20, 2832367), (43, 1317380), (86, 658690), (172, 329345), (199, 284660), (215, 263476), (331, 171140), (398, 142330), (430, 131738), (662, 85570), (796, 71165), (860, 65869), (995, 56932), (1324, 42785), (1655, 34228), (1990, 28466), (3310, 17114), (3980, 14233), (6620, 8557)]